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Table T2. X-ray diffraction analysis showing kaolinite and chlorite content in mud and mudstone (<2 µm fraction) from ODP Sites 1177 and 1178.

Hole, core, section,
interval (cm)		 Depth
(mbsf)		 Abundance
(wt%)		 Peak area
(total counts)		 Relative abundance
(wt%)
Smectite Illite Chlorite +
kaolinite		 Quartz Half
kaolinite		 Half
chlorite		 Total
area		 Kaolinite Chlorite
190-
1177A-1R-2, 82 302.52 32 36 25 7 1439 NM 5778 8 17
1177A-2R-2, 111 311.81 22 33 24 21 NM 1071 2678 7 17
1177A-5R-5, 123 343.83 30 38 23 9 NM 1858 4636 6 17
1177A-8R-2, 30 368.80 24 39 27 10 NM 1695 3990 6 21
1177A-10R-2, 118 388.79 31 35 23 10 NM 1707 4399 7 16
1177A-11R-CC, 10 403.75 40 39 17 3 2712 NM 6120 14 3
1177A-12R-1, 44 405.74 30 30 24 16 NM 847 2945 13 11
1177A-16R-3, 119 448.09 34 33 23 10 NM 1956 5533 9 14
1177A-17R-1, 118 454.68 41 35 18 5 NM 2096 5174 5 13
1177A-17R-2, 26 455.26 36 35 22 7 NM 828 2885 12 10
1177A-20R-1, 104 483.44 29 32 17 22 616 NM 2650 5 12
1177A-24R-5, 128 527.68 46 29 17 8 NM 1723 3893 3 14
1177A-25R-6, 105 538.95 44 35 14 7 1197 NM 4731 5 9
1177A-30R-2, 30 580.30 65 20 4 11 NM 950 2477 1 3
1177A-30R-7, 29 587.79 54 26 10 10 NM 999 2977 4 6
1177A-30R-7, 35 587.85 59 24 8 8 NM 1175 3169 3 5
1177A-31R-2, 57 590.27 87 9 0 4 NM 520 1855 0 0
1177A-31R-CC, 8 591.10 70 18 5 8 NM 668 2534 3 2
1177A-40R-1, 115 675.95 75 19 0 6 1015 NM 2782 0 0
1177A-46R-1, 18 732.68 69 19 4 8 995 NM 2513 3 1
1177A-46R-1, 120 733.70 66 19 4 12 627 NM 1898 2 2
1177A-46R-2, 122 735.22 64 15 6 15 687 NM 2161 3 3
1177A-46R-3, 9 735.59 71 20 2 8 NM 703 2336 1 1
1177A-47R-3, 101 746.11 54 21 10 15 NM 702 2962 7 3
1177A-49R-1, 61 761.91 41 30 11 18 320 NM 1439 3 8
1177A-49R-5, 72 768.02 65 22 2 12 NM 255 675 1 1
1177A-52R-2, 56 792.36 91 9 0 0 340 NM 999 0 0
1177A-55R-1, 92 820.12 27 35 24 13 NM 1821 4583 7 17
1178A-9X-5, 129 72.03 50 30 18 2 1559 NM 3840 13 5
1178A-13X-4, 132 109.82 45 27 21 7 NM 1676 5340 10 11
1178A-15X-4, 130 129.00 45 26 19 10 NM 1822 5004 7 12
1178A-16X-4, 128 138.48 47 28 22 4 2526 NM 6400 15 7
1178A-17X-2, 125 144.95 59 21 13 6 1756 NM 6182 5 8
1178A-18X-4, 130 156.46 62 24 13 2 NM 1827 5604 6 7
1178A-19X-3, 125 165.65 43 28 21 8 1762 NM 4875 12 9
1178A-23X-2, 117 201.87 42 18 18 22 NM 568 2283 11 7
1178A-25X-2, 118 221.05 52 24 19 5 1742 NM 5527 9 10
1178A-29X-3, 122 260.93 61 18 16 5 1747 NM 4906 9 7
1178A-31X-4, 116 281.86 27 33 32 8 NM 2405 7073 14 18
1178A-43X-1, 121 392.81 55 22 17 6 2300 NM 6261 10 7
1178B-3R-3, 147 404.47 46 30 17 7 NM 1603 5384 9 8
1178A-44X-5, 117 407.69 44 21 25 9 2142 NM 5660 16 9
1178B-5R-1, 114 420.44 59 26 11 4 NM 2099 5805 4 7
1178B-8R-5, 147 456.37 46 27 18 10 NM 595 1915 9 9
1178B-12R-4, 112 492.32 35 38 18 9 NM 2115 5586 6 12
1178B-13R-2, 80 498.70 38 26 23 13 NM 2886 6265 3 20
1178B-14R-1, 94 506.94 76 15 3 6 NM 1130 3648 1 2
1178B-15R-5, 103 522.63 69 16 13 2 NM 2066 7091 7 6
1178B-17R-1, 105 535.85 62 23 13 2 NM 1890 6109 6 7
1178B-19R-2, 144 556.94 44 17 20 20 NM 1848 4175 3 17
1178B-25R-2, 98 614.18 53 19 16 11 NM 1418 5248 9 7
1178B-26R-1, 116 622.56 46 32 17 5 NM 2376 5553 3 14
1178B-27R-1,98 631.98 35 35 20 10 NM 2101 5284 6 14

Values within clay-size fraction are from Steurer and Underwood (2003) and Underwood and Steurer (2003) and were calculated using singular value decomposition normalization factors of Underwood et al. (2003). NM = not measured.

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